update image model preprocessing

Author: akorobeinikov

demos/common/cpp/models/include/models/image_model.h

@@ -21,6 +21,7 @@
 #include <string>
 
 #include "models/model_base.h"
+#include "utils/image_utils.h"
 
 namespace ov {
 class InferRequest;
@@ -43,4 +44,6 @@ class ImageModel : public ModelBase {
 
     size_t netInputHeight = 0;
     size_t netInputWidth = 0;
+    INTERPOLATION_MODE interpolationMode = LINEAR;
+    RESIZE_MODE resizeMode = RESIZE_FILL;
 };

demos/common/cpp/models/src/image_model.cpp

@@ -50,8 +50,9 @@ std::shared_ptr<InternalModelData> ImageModel::preprocess(const InputData& input
         if (channels != 1 && channels != 3) {
             throw std::runtime_error("Unsupported number of channels");
         }
-        img = resizeImageExt(img, width, height);
+        img = resizeImageExt(img, width, height, resizeMode, interpolationMode);
     }
+
     request.set_tensor(inputsNames[0], wrapMat2Tensor(img));
     return std::make_shared<InternalImageModelData>(origImg.cols, origImg.rows);
 }